Safe Waste Tray

DWV Reflux Valve
Sizes Available: 40mm, 50mm, 80mm, 100mm
Application: Sewer & vent systems
Material: PVC-U (Unplasticised Polyvinyl Chloride)
Colour: Grey
Compliance: AS/NZS 1260 – PVC-U pipes and fittings for drain, waste and vent applications
Connection Type: Solvent cement joint (SCJ)

The DWV Reflux Valve is a one-way check valve designed for use in Drainage, Waste, and Vent (DWV) systems to prevent backflow of sewer gases or waste water into buildings or sanitary fixtures. It is particularly useful in installations where backflow protection is critical, such as safe waste trays, floor waste gullies, or low-lying drainage systems.

This fitting is ideal for both domestic and commercial applications and helps ensure health and safety standards are maintained in plumbing systems. The reflux valve is installed inline and joined using solvent cement, providing a secure, leak-free connection.

Key Features:

• Prevents backflow of waste water and sewer gases
• Ideal for safe waste tray applications (40mm)
• Suitable for both sewer and vent use
• Easy solvent weld installation
• Internal flap mechanism allows forward flow only
• Durable and UV-stabilised pale grey PVC construction
• Suitable for above-ground and underground use
• WaterMark certified
• Fully compliant with AS/NZS 1260

Performance:

• Operating temperature range: 0°C to 50°C
• Resistant to corrosion, chemicals, and biological build-up
• Requires 24 hours for full solvent weld curing

The DWV Reflux Valve is a trusted, long-lasting component in waste water management systems, offering peace of mind by safeguarding properties from unwanted backflow.